public class WrapperDemo{
   public static void main(String[] args){
      int data1 = 10;
	  int data2 = 20;
	  Integer data1Wrapper = new Integer(data1);
	  Integer data2Wrapper = new Integer(data2);
	  System.out.println(data1/3);
	  System.out.println(data1Wrapper.doubleValue()/3);
	  System.out.println(data1Wrapper.compareTo(data2Wrapper));
	  
   }

}